Chair with adjustable backrest and seat
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United States of America Patent
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-
Dec 5, 2017
Grant Date -
Aug 20, 2015
app pub date -
Aug 27, 2013
filing date -
Sep 5, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An adjustable chair comprises chair support, backrest, a backrest support mechanism including at least one backrest arm pivotally connected to the support, and a seat having front and rear regions and a seat surface. The chair includes first and second seat support mechanisms with the first mechanism adjustably connecting the front region of the seat and the second mechanism adjustably connecting the rear region. The second seat support mechanism includes at least one seat arm having front and rear arm extensions and connected to the support for pivotal movement about a horizontal axis. The rear arm extension is pivotally connected to the rear region of the seat. A toggle arrangement is pivotally mounted on the chair support and engages the front end section of the at least one seat arm and front end section of the at least one backrest arm.
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Family
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